For the reaction N H_{3}(g) ⇌ \frac{1}{2} N_{2}(g)+\frac{3}{2} H_{2}(g). If {Kp} of the above reaction is 78.1 at 400^{\circ} {C} which is not correct:

Correct Answer is : If we increase pressure it will decrease K

At pressure P degree of dissociation of {NH}_{3} is [1+ {3 \sqrt{3} P}/{4 k_{p}}]^{-1 \/ 2}

If we increase pressure it will decrease {K}

If we increase P by bringing piston down, then, degree of dissociation \alpha will decrease

JEE Advanced 2020 Full Test 5 Paper 1

Question : 25 of 54

Marks: +1, -0

For the reaction NH3(g)⇌‌

N2(g)+‌

H2(g). If Kp of the above reaction is 78.1 at 400∘C which is not correct:

At pressure P degree of dissociation of NH3 is [1+‌
3√3P
4kp
]−1∕2
Kc=1.413mol∕l
If we increase pressure it will decrease K
If we increase P by bringing piston down, then, degree of dissociation α will decrease

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